{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Despite the anaemia , the number of splenic and bone marrow BFU - e in AZT treated mice increased up to five - fold over levels observed in infected untreated animals after 15 d of treatment ."}
{"Chemical": ["AZT"], "Disease": ["anaemia"]}